I have to say that Alaia on Rihanna isn't exactly custom made, it's a pretty iconic shape for Azzedine to use, he's used it many times before in a variety of cuts and fabrics.
But I still don't see the comparison, aside from the crossed over material and that it's red.
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Oh oh see you said some key words, alright, you said I have spice and fire, so stay away before I burn yo ass up.